/**
 * @author LKQ
 * @date 2022/2/18 11:29
 * @description
 */
public class Solution1 {
    public static void main(String[] args) {

    }
    public int findCenter(int[][] edges) {
        return edges[0][0] == edges[1][0] || edges[0][0] == edges[1][1] ? edges[0][0] : edges[0][1];
    }
}
